TLS Online TPP Program

#Id: 1812

#Unit 10. Ecological Principles

Exponential growth

Describes population growth for continuous breeders

Such as bacteria, internal parasites, some insects, or humans, reproduction can be continuous.

TLS Online TPP Program

#Id: 1813

#Unit 10. Ecological Principles

Population sizes at various times

N_t = N₀e^rt

TLS Online TPP Program

#Id: 1814

#Unit 10. Ecological Principles

Per capita rate of increase, r, related to the net reproductive rate, R₀

TLS Online TPP Program

#Id: 1815

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 1816

#Unit 10. Ecological Principles

r, is affected by organismal size and generation time.

TLS Online TPP Program

#Id: 1817

#Unit 10. Ecological Principles

When conditions are optimal for the population, r is at its maximum rate and is called the intrinsic rate of increase (_rmax).